用所给单词的适当形式填空:1.We must___(obey) the school rules.
题目
用所给单词的适当形式填空:1.We must___(obey) the school rules.
2.The Whites___(talk) about their plan for a new flat now.
3.Here__(be) some bread for you.
4.---Where is Jack?---He is very busy now.He___(help) his mother with the housework.
5.We must tell everyone___(not play) in the street.
二.改句子
We must take magazines out of the reading room.改为否定句
2.They go to the playground (to play football).对括号里提问
3.It's time to go to school.保持原句意思 It's time___school.
4.The children will put on a performance (this weekend).对括号里提问
5.We walk to school every morning.同义句转换 We go to school__ ___every morning.
答案
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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